My plan was to drop it into Tear's Western Mythkir Bay:
January Entry: Western Mythkir Bay
It was technically on the site first because he started the challenge before me, but I understand if you'd rather have it placed elsewhere?
The effect is supposed to be the sea floor as viewed by someone underwater. The dappled light comes from the light scattering as it comes through the surface of the water above the viewer. When this goes into maptool this weekend there will be kraken - hence the enormous scale. If you notice the grid size allows for a 20 by 20 creature to hide inside the wrecked ships.